Full Stack Engineer

2 weeks ago

Belgrade Nis Novi Sad, Serbia Holycode Full time €20,000 - €60,000 per year

We at Holycode are currently looking for a Full Stack Engineer with strong skills and proven experience to join our Scalera AI team here in our Belgrade office.

Scalera AI is an ETH spinout that develops an AI-powered SaaS platform designed to automate tendering and supplier selection in the construction industry. The company has already processed more than CHF 3 billion in tender volume and has secured strong traction in Switzerland and Austria. With a clear vision to reduce 30-40% of material costs per project, the team of twenty people (composed of research-driven engineers from ETH and EPFL) works from the Zurich headquarters in a dynamic and fast-paced startup environment.

Joining Scalera AI means becoming part of a highly collaborative and research-driven team that is shaping a product with significant impact in the construction industry. You will have the opportunity to work on a platform that is scaling rapidly and to influence its direction from an early stage.

About the Role:

  • The position is designed to strengthen Scalera's frontend capabilities within a backend-heavy engineering team. Around 70% of the work will focus on frontend development while the remaining 30% will involve backend contributions.
  • You will work closely with the CEO, CTO, and Head of Engineering and use a modern stack that includes React, , TypeScript, Python with FastAPI, and Google Cloud Platform.

What you'll need:

  • Extensive experience in React, , and TypeScript, as well as the knowledge of Python and FastAPI on the backend.
  • Previous exposure to SaaS product development is highly valuable, while familiarity with AI tools such as Lovable, Cursor, or Claude would be an advantage.
  • You should thrive in fast-moving environments, bring a strong problem-solving mindset, and enjoy contributing across the stack.
  • A startup mentality, curiosity, and the ability to interact directly with users and customers are essential qualities for success in this role.
  • You are fluent in English.

Benefits:

  • Private health insurance
  • Flexible work model – full remote or hybrid
  • Equipment of your choice (laptop, monitor, accessories)
  • High-growth company with innovative products
  • Supportive, international team
  • Budget for professional development (courses, books, conferences)
  • English and German language lessons during working hours
  • Nice office in Belgrade with a stocked kitchen and game area
  • Opportunity to learn, grow, and make a real impact

If you are looking for an environment where you can grow professionally, learn from the best in the field, balance work and life habits and have a pleasant and enthusiastic environment, please submit your CV in English.

#LI-hybrid

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